How many hours of sleep a night do I need?
Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED
What Happens If You ONLY SLEEP 4 Hours A Night for 30 Days?
I Can't Sleep for More Than 4 Hours a Night - Why? | This Morning
What Happens To Your Body When You Sleep 4-6 Hours vs 7-10 Hours
How much sleep do you really need? | Sleeping with Science, a TED series
How many hours of sleep do you need?
What Happens to Your Body on Little Sleep?
How to Sleep Less and Get More Out of Your Day- Thomas DeLauer
Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired
What happens when we sleep?
Ep. 47: Sleeping Less Than 6 Hours? You're Probably Sleep Deprived | The Scope
Why some people can thrive on less sleep – BBC REEL
What Would Happen If You Got 9 hours of Sleep for 7 Days
How Much Sleep Do You Actually Need?
The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg
Scientist Explains How Some People Need Only 4 Hours of Sleep | WIRED
What If You Sleep 2 Hours Less Every Night?
10 Sleep Myths Finally Debunked
How lack of sleep affects health and tips for a good night's rest